the president said he was skeptical about an nra proposal to put an armed guard in every school. >>> former president george h.w. bush remains in a houston hospital this morning, but mr. bush was moved back to a regular room on saturday out of the intensive care unit. he spent a week there being treated for a persistent fever. a spokesman says he continues to improve. >>> federal officials are investigating a tour bus accident that killed at least nine people. the bus driver apparently lost control yesterday. the bus swerved, hit the guardrail, flipped, falling down a steep embankment. the bus driver survived. more than 20 were injured. the bus was headed from las vegas to vancouver. >>> they're investigating flight recorders of a russian jet trying to land in moscow. the only people onboard saturday's crew, five were killed. barry petersen reports. >> reporter: the footage from a passing driver shows debris exploding across the moscow highway as a township jet flight 204 slammed into the ground. authorities said the plane had landed at one of moscow's airports, but for some reason c